Abstract: Animal caging systems adaptable for individual and group housing are disclosed. In addition, improved features for use with animal caging systems including food dispensers, airtight lateral access panels and squeezeback mechanisms are provided.

Abstract: A containment system useful for animal microbiological isolation containment including a plurality of two room suites combined into two suite containment units, selectively separable adjoining exercise runs for individual and group isolation, the suites being constructed of transparent, glass panels and stainless steel permitting caregiver observation, videographic recording, and visual and auditory contact with other confined animals even during periods of individual isolation. Furthermore, each suite features a sealed air circulation/ventilation system, broad spectrum lighting, sealable containment and shuttle doors, a squeeze back wall and actuator, as well as structures to facilitate sanitation, feeding, and servicing from an access corridor.